PHYSICS HIGH SCHOOL

The volume occupied by a sample of gas is 480 mL when the pressure is 115 kPa.What pressure must be applied to the gas to make its volume become 650 mL? (P2= P1V1/V2)

Answers

Answer 1

Answer:

Answer:

The answer is

84.9 kPa

Explanation:

Using Boyle's law to find the final pressure

That's

$P_1V_1 = P_2V_2$

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

Since we are finding the final pressure

$P_2 = (P_1V_1)/(V_2)$

From the question

P1 = 115 kPa

V1 = 480 mL

V2 = 650 ml

So we have

$P_2 = (115000 * 480)/(650) = (55200000)/(650) \n = 84923.076923...$

We have the final answer as

84.9 kPa

Hope this helps you

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